Speaking this week ahead of the tie, Emery admitted he had been using the full depth of his squad in training and even admitted some players could alter their positions.

The Spaniard made the surprise admission that striker Danny Welbeck could even fill in as an emergency left-back, if it came down to it.

‘Danny Welbeck is one of the players who has a multi-position possibility,’ said Emery.

Emery has also admitted Danny Welbeck could play as an emergency left-back if needed

Welbeck will be hoping for opportunities from the new manager as the season unfolds

It wasn’t all serious however, as the players were able to joke around during the warm-up drills

‘Right winger, left winger, striker, and also yesterday he worked with us at left-back – his performance was good! I like this spirit. To help positions across the team with positive spirit.

Emery also insisted on Friday that Welbeck is not one of the players who would be free to leave before the European transfer window shuts at the end of the month.

The Spaniard has said goalkeeper David Ospina, defender Carl Jenkinson and forward Joel Campbell will be allowed to seek a new club – but went on to challenge Welbeck to shine this year.

Alexandre Lacazette will also be expected to provide the firepower for the Gunners

Aubameyang took plentiful sips of water after Arsenal finished their final intense session

‘I said to him when he arrived with us after the holidays, I want the best performance in his career from this player – and to work for that,’ Emery said of the former Manchester United man.

‘(We will be) helping with his quality and also getting better with his quality and his data in this year. More goals, more assists. Working to help when we need quick pressing against the opposition.’